package algotithm.interview.meituan.test3;

/**
 * @author zhouyanxiang
 * @Date 2021-03-2021/3/20-16:36
 */


import java.io.*;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));
        String[] arr1 = reader.readLine().split(" ");
        int n = Integer.parseInt(arr1[0]);
        int m = Integer.parseInt(arr1[1]);
        int c = Integer.parseInt(arr1[2]);
        String[] arr2 = reader.readLine().split(" ");
        int[] num = new int[n+1];
        for (int i = 1 ; i < n+1; i++) {
            num[i] = Integer.parseInt(arr2[i-1]);
        }
        int res = 4;
        writer.write( res + "\n");
        writer.flush();
        writer.close();
        reader.close();
    }

}

